The North American PlayStation Store Update brings us Plants vs. Zombies, Stacking, Explodemon, Tales From Space: About a Blob,new demos and some nice offers and discounts this week, for the full list of newly downloadable content for the PS3 and the PSP check the list below:

Qore

Qore Episode 33: February 2011 ($2.99, free for PlayStation Plus subscribers) Presented by the PlayStation Network leads off with an in depth look at Killzone 3, touches ‘em all with the MLB 11 The Show, explores the greatest all time villians on the PS3 and laces up the gloves with Fight Night Champion. File size: 1.38 GB

Qore Annual Subscription – February 2011 ($24.99) Qore: Presented by the PlayStation Network is a high-definition monthly interactive video production covering the world of PlayStation. Qore provides its audience with exclusive behind-the-scenes access to upcoming titles from both the SCE Worldwide Studios and the third-party developers across the globe. File size: 1.38 GB

Downloadable Games

Explodemon ($9.99) The universe’s most destructive ‘hero’ is about to become its only hope. Explodemon is adrenaline-pumping retro platforming brought kicking and screaming into the modern age! Download now and see for yourself! ESRB Rated E File size: 1.24 GB

Tales From Space: About a Blob ($14.99) Tales from Space: About a Blob is a side-scrolling puzzle-platformer about a race of insatiable alien Blobs. Looking for their next meal, the blobs end up on a distant Earth-like planet that didn’t invite them for dinner. Absorb delicious humans, farm animals and eventually THE WORLD!!! Download the Game today! ESRB Rated E File size: 283 MB

Stacking ($14.99) From Tim Schafer’s Double Fine Productions, explore a vintage world inhabited by living Russian stacking dolls as you jump into more than 100 unique dolls and use their special abilities to solve a wide variety of puzzles & challenges. Play as Charlie Blackmore, the world’s tiniest Russian stacking doll, and embark on an adventure to rescue Charlie’s family from the nefarious industrialist known only as the “Baron.” ESRB Rated E10+ File size: 1000 MB

Plants vs. Zombies ($14.99) Get ready to soil your plants with multiplayer action! A mob of fun-loving zombies is about to invade your home. Defend it with an arsenal of home-guardin’ plants to mulchify zombies before they reach your front door. Get twice the zombie-zapping action with 2-player Versus and Co-op modes. We’re loaded with seven game modes, new rabble-rousing features, and unlimited replayable action… so the fun never dies! ESRB Rated E10+ File size: 92 MB

Game Demos (free)

Underground Demo Challenge your mind in the wondrous depths of The UnderGarden by downloading this trial. Plunge into a unique new world exploring large underground caverns, encountering mysterious creatures to befriend or avoid. Solve mind-bending brainteasers and puzzles as soothing tunes accompany you on your journey through 20 distinct levels of state of the art 3D graphics. The UnderGarden offers a mental challenge and aesthetic experience like nothing else. ESRB Rated E File size: 321 MB

Tales From Space: About a Blob Demo Tales from Space: About a Blob is a side-scrolling puzzle-platformer about a race of insatiable alien Blobs. Looking for their next meal, the blobs end up on a distant Earth-like planet that didn’t invite them for dinner. Absorb delicious humans, farm animals and eventually THE WORLD!!! Download the Demo today! ESRB Rated E File size: 283 MB

Stacking Demo Demo for Stacking. From Tim Schafer’s Double Fine Productions, explore a vintage world inhabited by living Russian stacking dolls as you jump into more than 100 unique dolls and use their special abilities to solve a wide variety of puzzles & challenges. Play as Charlie Blackmore, the world’s tiniest Russian stacking doll, and embark on an adventure to rescue Charlie’s family from the nefarious industrialist known only as the “Baron.” ESRB Rated E10+ File size: 1000 MB

Harvest Moon: Back to Nature ($5.99) It is up to you to successfully rejuvenate a farm and build a life for yourself with family and friends. Plant and harvest crops, raise farm animals, marry the woman of your dreams and start a family…create your own pastoral adventure! Download this PSone Classic today! ESRB Rated E File size: 68 MB

EyePet Valentine’s Pack ($2.99) The Valentine’s Pack for EyePet brings all the love of Valentine’s Day to your living room! You’ve never seen a virtual pet quite like this – EyePet! Download the new pack today! File size: 100 KB

Def Jam Rapstar (Music Downloads Not Rated by the ESRB) Expand your DEF JAM RAPSTAR library with these songs. DEF JAM RAPSTAR game disc is required to play this downloadable content:

“The Humpty Dance” – Digital Underground ($1.99)

“Swag Surfin” – F.L.Y. ($1.99)

“Like A G6″ – Far East Movement ($1.99)

“Whatever You Like” – T.I. ($1.99)

Party Pack ($6.99) – Expand your DEF JAM RAPSTAR library with this pack, which includes the songs: “The Humpy Dance” by Digital Underground, “Swag Surfin” by F.L.Y., “Like A G6″ by Far East Movement and “Whatever You Like” by T.I.

Rock Band 3 Build your Rock Band library by purchasing these song game tracks. For song credits, visit www.RockBand.com.

“Bend Down Low” – Bob Marley ($1.99)

“Burnin’ and Lootin” – Bob Marley ($1.99)

“Coming in from the Cold” – Bob Marley ($1.99)

“Kaya” – Bob Marley ($1.99)

“Lively Up Yourself” – Bob Marley ($1.99)

“No More Trouble” – Bob Marley ($1.99)

“Small Axe” – Bob Marley ($1.99)

“Them Belly Full (But We Hungry)” – Bob Marley ($1.99)

Bob Marley ($13.49) – Build your Rock Band library by purchasing this song game album: Bob Marley Pack 01. This pack includes “Bend Down Low”, “Burnin’ and Lootin”, “Coming in from the Cold”, “Kaya”, “Lively Up Yourself”, “No More Trouble”, “Small Axe” and “Them Belly Full (But We Hungry)”. By Bob Marley

Rock Band Network

“Going Under” – Evanescence ($1.99)

“Kokko – Eagle of Fire” – Amberian Dawn ($1.99)

“Modern Mathematics” – Terrorhorse ($0.99)

“No Direction” – Longwave ($0.99)

“Whatever Is Wrong With You” – Marillion ($0.99)

File size: 19 – 50 MB (singles), 236 MB (track pack)

Apps

Filmy ($4.99) Filmy is a movie viewer that plays AVCHD full high definition video files for the PlayStation 3. Its intuitive controls allow you to conveniently enjoy AVCHD. File size: 596.5 MB